The Makarov Air Gun fires steel BBs at a speed of 380 feet per second from its full-metal constructed frame. This double-/single-action pistol has a moveable slide and a drop-free 16-shot BB magazine. The Makarov PM is powered by a single 12 gram CO2 capsule that is concealed in the grip frame. A great practice pistol for Makarov owners and a great price for heavy metal constructed BB Gun.